From 653a2254dcfba00926b7fa3966a0ec4ce653f520 Mon Sep 17 00:00:00 2001
From: alec <alec@208e9e7b-5314-0410-a742-e7e81cd9613c>
Date: Thu, 15 Mar 2012 19:45:36 +0000
Subject: - Fixed tokenizer infinite loop on invalid script content

git-svn-id: https://svn.roundcube.net/trunk@6014 208e9e7b-5314-0410-a742-e7e81cd9613c
---
 plugins/managesieve/Changelog                  | 1 +
 plugins/managesieve/lib/rcube_sieve_script.php | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/plugins/managesieve/Changelog b/plugins/managesieve/Changelog
index 052333a81..dc0e19591 100644
--- a/plugins/managesieve/Changelog
+++ b/plugins/managesieve/Changelog
@@ -1,4 +1,5 @@
 - Fixed filter popup width (for non-english localizations)
+- Fixed tokenizer infinite loop on invalid script content
 
 * version 5.0 [2012-01-05]
 -----------------------------------------------------------
diff --git a/plugins/managesieve/lib/rcube_sieve_script.php b/plugins/managesieve/lib/rcube_sieve_script.php
index f5ad62c3f..92f979cfd 100644
--- a/plugins/managesieve/lib/rcube_sieve_script.php
+++ b/plugins/managesieve/lib/rcube_sieve_script.php
@@ -1058,6 +1058,10 @@ class rcube_sieve_script
                         $result[] = $text;
                     }
                 }
+                // fallback, skip one character as infinite loop prevention
+                else {
+                    $str = substr($str, 1);
+                }
 
                 break;
             }
-- 
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